/* ---------- PAGE LAYOUT ---------- */

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background:
    radial-gradient(circle at top left, #00ffd5, transparent 40%),
    radial-gradient(circle at bottom right, #ff8a00, transparent 40%),
    linear-gradient(135deg, #071a2c, #000814);
  color: #e6f1ff;
}

/* Center everything */
.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
}

/* ---------- TOP BAR ---------- */

.topbar {
  width: 100%;
  padding: 16px 40px;
  background: rgba(10, 20, 35, 0.9);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: bold;
  color: #7df9ff;
}

.nav-links a {
  margin-left: 20px;
  color: #bcdcff;
  text-decoration: none;
}

.nav-links a:hover {
  color: #00ffd5;
}

/* ---------- CONVERTER CARD ---------- */

.converter-card {
  width: 100%;
  max-width: 520px;
  background: rgba(10, 25, 45, 0.85);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 0 60px rgba(0, 255, 213, 0.25);
  text-align: center;
  margin-bottom: 60px;
}

/* Upload box */
.upload-box {
  border: 2px dashed #00ffd5;
  border-radius: 14px;
  padding: 28px;
  margin: 20px 0;
  cursor: pointer;
}

.upload-box:hover {
  background: rgba(0, 255, 213, 0.05);
}

#fileName {
  display: block;
  margin-top: 10px;
  color: #7df9ff;
  font-size: 14px;
}

/* Dropdown */
.convert-select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 15px;
}

/* Convert button */
.convert-btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(90deg, #00ffd5, #00aaff);
  border: none;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
}

.convert-btn:hover {
  opacity: 0.9;
}

/* ---------- PROGRESS ---------- */

.progress-wrapper {
  width: 100%;
  height: 8px;
  background: #112;
  border-radius: 6px;
  margin: 15px 0;
  overflow: hidden;
}

#progressBar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00ffd5, #ff8a00);
}

/* ---------- INFO SECTIONS ---------- */

.info-card {
  width: 100%;
  max-width: 900px;
  background: rgba(20, 35, 55, 0.8);
  border-radius: 18px;
  padding: 30px;
  margin-bottom: 40px;
}

.info-card h2 {
  color: #7df9ff;
}

.contact-email {
  color: #00ffd5;
  font-weight: bold;
}